Apple deployed a flamethrower to create that roaring fire effect, popped a balloon in water, created an explosion of coloured power and placed a metallic liquid atop of a turntable of sorts.

You can see the process broken down in the video (via TechCrunch) below:

Considering the Apple Watch display – even in its larger form – still maxes out at 44mm, creating these effects on a computer in about 25 minutes would have been the route most companies would have taken. However, here Apple proves that even as a trillion dollar company, it still cares about going that extra mile from a design perspective in order to bring a little more added sheen to its product line.

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The Apple Watch Series 4 is the biggest leap forward from a design perspective since the original Apple Watch, with an overall thinner design and more integrated buttons. That larger display also provides up to 8 complications on a single watch face, enabling wearers to see more information at a glance.

Internally, the device promises revolutionary health benefits thanks to the inclusion of the first ever electrocardiogram (ECG) in an over-the-counter consumer device. The watch will also alert users if their heart rate is low or irregular.

Is the Series 4 finally your trigger to splash out on an Apple Watch? Or are you still sceptical about putting a mini-smartphone on your wrist to nag you at all times? Drop us a line @TrustedReviews on Twitter.